[root@smtp ~]# MailScanner -V
Running on
Linux smtp.xxx.xxx.xxx 2.6.18-164.6.1.el5 #1 SMP Tue Nov 3 16:12:36 EST 2009 x86_64 x86_64 x86_64 GNU/Linux
This is CentOS release 5.4 (Final)
This is Perl version 5.008008 (5.8.8)
This is MailScanner version 4.78.17
Module versions are:
1.00    AnyDBM_File
1.26    Archive::Zip
0.23    bignum
1.04    Carp
2.021   Compress::Zlib
1.119   Convert::BinHex
0.17    Convert::TNEF
2.121_08        Data::Dumper
2.27    Date::Parse
1.00    DirHandle
1.05    Fcntl
2.74    File::Basename
2.09    File::Copy
2.01    FileHandle
1.08    File::Path
0.22    File::Temp
0.92    Filesys::Df
3.60    HTML::Entities
3.62    HTML::Parser
3.57    HTML::TokeParser
1.23    IO
1.14    IO::File
1.13    IO::Pipe
2.04    Mail::Header
1.89    Math::BigInt
0.24    Math::BigRat
3.07    MIME::Base64
5.427   MIME::Decoder
5.427   MIME::Decoder::UU
5.427   MIME::Head
5.427   MIME::Parser
3.07    MIME::QuotedPrint
5.427   MIME::Tools
0.13    Net::CIDR
1.25    Net::IP
0.18    OLE::Storage_Lite
1.04    Pod::Escapes
3.08    Pod::Simple
1.09    POSIX
1.21    Scalar::Util
1.78    Socket
2.16    Storable
1.4     Sys::Hostname::Long
0.27    Sys::Syslog
1.40    Test::Pod
0.94    Test::Simple
1.9717  Time::HiRes
1.02    Time::localtime

Optional module versions are:
1.40    Archive::Tar
0.23    bignum
missing Business::ISBN
missing Business::ISBN::Data
missing Data::Dump
1.814   DB_File
1.25    DBD::SQLite
1.609   DBI
1.14    Digest
1.01    Digest::HMAC
2.36    Digest::MD5
2.12    Digest::SHA1
missing Encode::Detect
missing Error
missing ExtUtils::CBuilder
missing ExtUtils::ParseXS
2.38    Getopt::Long
missing Inline
missing IO::String
1.10    IO::Zlib
missing IP::Country
missing Mail::ClamAV
missing Mail::SpamAssassin
missing Mail::SPF
missing Mail::SPF::Query
missing Module::Build
missing Net::CIDR::Lite
0.65    Net::DNS
missing Net::DNS::Resolver::Programmable
0.33    Net::LDAP
missing NetAddr::IP
missing Parse::RecDescent
missing SAVI
3.17    Test::Harness
missing Test::Manifest
1.95    Text::Balanced
1.35    URI
missing version
missing YAML
====================================
[root@smtp ~]# clamscan -V
ClamAV 0.95.3/10113/Fri Dec  4 04:48:53 2009